• What's new in the latest version?
    Click on the version number links in the table below to read the release notes.
  • How do I install?
    Click on the Download File links in the table below and select "save as", wait for the file transfer to finish, and click on the downloaded MSI-File to activate the Windows installer. If you are in doubt, please consult the Installation guide.
  • Do I already have the latest version?
    Find the WAsP version number in the about-box under 'help' in the main menu; or order an installation report of all our software by a click on 'help | this installation ...', then compare with version numbers in the table below.
  • How do I install a special GEO-projection database file ?
    If you want to install a Geo-projection database ZIP file directly sent to you, just download it to the "C:\Program Files\WAsP\Bin" folder (the excact folder name may vary with the version of Windows operating system); don't try to unzip it.  
  • Does WAsP11 differ much from WAsP10?
    Read about new or modified features in what is new in WAsP11.
  • Can I use previous versions of WAsP11?
    Please uninstall your present version before downloading and installing Previous Installation Files.
  • How do I activate the licence?
    Please read the  licencing guide.
  • Any compatibility problems with earlier WAsP versions?
    WAsP11 may coexist with WAsP 10 or earlier versions on the same computer without any problems.
  • Any compatibility problems with Windows 8 and Windows 10?
    WAsP 11 and WAsP Engineering 3 are compatible with Windows 8 and Windows 10. But beginning from Windows 8 needed prerequisite is not anymore enabled by default. So please check before installation that Windows feature .NET Framework 3.5 is turned on. You can find it from the Control Panel, under Programs, you will find an option called Turn Windows Features on or off. The first one in the list is labelled .NET Framework 3.5 (includes .NET 2.0 and 3.0). Make sure that is turned on. WAsP needs this in order to work properly. You can watch a demo video here
  • I installed WAsP 11 or WAsP Engineering 3 successfully on my Windows 10. But when I try to run the program, it just closes almost immediately. How do I fix this problem?
    Please, check that Windows feature .NET Framework 3.5 (includes .NET 2.0 and 3.0) is enabled. If not, turn it on and WAsP should work fine now.

NB: In this release, the on-line HELP system has not been fully updated regarding the CFD functionality of WAsP 11. Instead, a detailed flow-model description and a quick-guide is available from the web-site:

WAsP CFD Flow Model         WAsP CFD Quick Guide

We also recommend that you view the demo videos (no audio):

  • How to register your license here.
  • Getting the sample data set up here.
  • IBZ-to-CFD walkthrough here


19 MARCH 2019